<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>注册</h1>
<div>
  <input type="text" v-model="user.username" placeholder="请输入用户名">
  <input type="text" v-model="user.password" placeholder="请输入密码">
  <input type="text" v-model="user.nick" placeholder="昵称">
  <input type="button" value="注册" @click="reg()">
</div>
<script src="js/vue.js"></script>
<script src="js/axios.min.js"></script>
<script>
  let v = new Vue({
    el:"div",
    data:{
      user:{
          username:"",
          password:"",
          nick:""
      }
    },
      methods:{
        reg(){
            //发出post请求,把装着用户信息user对象提交
            axios.post("/reg",v.user).then(function (response) {
                if(response.data==1){
                    alert("注册成功！");
                    //让浏览器显示首页
                    location.href="/"
                }else{
                    alert("用户名已存在！");
                }

            })
        }
      }
  })
</script>
</body>
</html>